Home / 211,383.04-291,708.53-115,887.69

Finding the Fourth Proportional to 211,383.04, 291,708.53 and 115,887.69

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Solution

The fourth proportional to 211,383.04, 291,708.53 and 115,887.69 is: 159,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,383.04 : 291,708.53 = 115,887.69 : x
  2. Step 2: Convert to fraction form
    211,383.04/291,708.53 = 115,887.69/x
  3. Step 3: Cross multiply
    211,383.04x = 291,708.53 × 115,887.69
  4. Step 4: Simplify right side
    211,383.04x = 33,805,425,657.01
  5. Step 5: Solve for x
    x = 33,805,425,657.01/211,383.04
  6. Step 6: Final answer
    x = 159,924.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.